cravat vs neckcloth

cravat and neckcloth both are nouns.

Word	Noun	Adjective	Verb	Adverb
cravat	Yes	No	No	No
neckcloth	Yes	No	No	No

As nouns, neckcloth is a hyponym of cravat; that is, neckcloth is a word with a more specific, narrower meaning than cravat:

cravat: neckwear worn in a slipknot with long ends overlapping vertically in front
neckcloth: an ornamental white cravat

Other hyponyms of cravat include ascot, stock.

cravat (noun)	neckcloth (noun)
neckwear worn in a slipknot with long ends overlapping vertically in front	an ornamental white cravat